Modification of the luminescent properties of ZnS nanoparticles by the adsorbed species
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Thelma Serrano
, Israel López , Alejandro Vázquez and Idalia Gómez
Abstract
We report the modification of the luminescent properties of ZnS nanoparticles by the adsorbed chemical species. ZnS nanoparticles were prepared via microwave-assisted synthesis. The effects of the concentrations of citrate and SO42− ions on the optical properties were analyzed by means of UV-Vis and photoluminescence spectrophotometries, and Fourier-transform IR spectroscopy. ZnS nanoparticles were also analyzed by means of X-ray diffraction and transmission electron microscopy. The results confirm that the luminescent properties of the synthesized particles are affected by the adsorbed chemical species (citrate and SO42− ions). ZnS nanoparticles synthesized with 30 and 45 mM Na2SO4, and 2 mM trisodium citrate exhibit higher intensity of luminescence than those synthesized with 15 mM Na2SO4. The average diameter of the ZnS nanoparticles synthesized under these last experimental conditions is about 20 nm.
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© 2013, Carl Hanser Verlag, München
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Articles in the same Issue
- Contents
- Contents
- Original Contributions
- Critical sizes for coherent to semicoherent transition in precipitates
- Thixoformability evaluation of AA2011 and AA2014 alloys
- Joint strength of friction stir welded AISI 304 austenitic stainless steels
- Optimization of process parameters in explosive cladding of titanium/stainless steel 304L plates
- Optimization of the hot rolling parameters for evaluation of the formability of Nb-microalloyed steel sheet by using the Taguchi method
- XPS measurements of LDX 2101 duplex steel surface after magnetoelectropolishing
- Phase equilibria of the Al-Cr-Pr ternary system at 773 K
- Processing and mechanical characterisation of monolithic silicon carbide ceramic consolidated by spark plasma sintering (SPS)
- Effect of Mn doping on the microstructure and dielectric properties of BaHf0.1Ti0.9O3 ceramics
- Nano hydroxyapatite–polysulfone coating on Ti-6Al-4V substrate by electrospinning
- Photocatalytic and self-cleaning properties of SiO2/TiO2/SiO2 nanostructured thin film
- Formation mechanism of manganese vanadate microtubes and their electrochemical sensing properties
- Modification of the luminescent properties of ZnS nanoparticles by the adsorbed species
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